TY - BOOK ED - World Health Organization. ED - World Health Organization. TI - Expert Committee on the Unification of Pharmacopoeias: report of the fourth session, Geneva, 20 to 30 April 1949 SN - 9241200014 PY - 1950/// CY - Geneva PB - World Health Organization KW - Pharmacopoeias UR - http://apps.who.int/iris/ ER -